SYSTEMATIC TABLE 



OF THE ORDERS AND FAMILIES OF NORTH AMERICAN AC^VLEPILE 

 DESCRIBED IN THIS VOLUME. 



Order CTENOPHOR.E Esch. . 

 Suborder Lobat^ Esck. 

 Family Bolinidoe Aij. 

 Family OcjToeae Less. . 



Suborder Saccat.e Ag. 

 Family Mertensidae Ag. 

 Family Cydippids Gcg. . 



Suborder Eurystom^e Leuck. 

 Family Beroidse Esch. 



Order DISCOPHOR.E Esch. . 

 Suborder Rhizostome.e Ag. 

 Family Rhizostomidae Esch. . 

 Family Polyclonidas Ag. . 



Suborder Sejleostome^e Ag. 

 Family Aureliada; Ag. 

 Family Sthenoniaj Ag. . 

 Family Cyaneidae Ag. 

 Family Pelagidae Geg. . 



Suborder HAPLOSTOMEyE Ag. 

 Family Thalassantheaj Less. . 



Suborder Trachyxemid^ A. Ag. 

 Family Trachynemidse Geg. . 

 Family Leuckartidae Ag. . 



Suborder Lucerjjari.e Johnst. 

 Family Cleistocarpidae //. J. C. 

 Family ElcuthcrocarpidsT! //. J. C 



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Order HYDROID.E Johnst. . 

 Suborder Sertularijj Ag. . 



Family Oceanidae Esch. . 



Family Eucopidaa Geg. 



Family JEquoridse Esch. . 



Family Geryonnpsida? .\g. . 



Family PolyorchicUe .1. .Ig. 



Family Laodieoidic Ag. 



Family Meliccrtidie Ag. . 



Family Plumularida; Ag. 



Family Sertulariadae Johnst. 

 Suborder Tubulari^ Ag. . 



Family Nemo])sida; Ag. . 



Family Bougaiuvilleac Liilk: 



Family Nucleiferae Less, . 



Family Williada? Forbes 



Family Sai-siada; Forbes . 



Family Orthooorynidip A. Ag. 



Family Pennarida; McCr. 



Family Tubulariadae Johnst. 



Family Ilydraida; Grag . 



Family IIydractinida3 Ag. . 

 Suborder DiPHV.E Cue. 



Family Diphyidae Esch. 

 Suborder PhysopiioR/E Gold/. 



Famil)- Agalmida! Brandt . 

 Suborder PoRi'iT^ Golilf. . 



Family Physalida: Brandt . 



Family Yelillida; Esch. ■ 



Family Por]iitidac Guilil. 

 Suborder Tabulat^e Ag. . 



Family Milleporid£e Ag. 



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